define([
  './Transforms-9052372a',
  './Matrix2-1e403d0e',
  './Matrix3-fa806b97',
  './Check-6ede7e26',
  './ComponentDatatype-cf1fa08e',
  './CylinderGeometryLibrary-135b0858',
  './defaultValue-fe22d8c0',
  './GeometryAttribute-7a2de5c6',
  './GeometryAttributes-ad136444',
  './GeometryOffsetAttribute-9ad0019c',
  './IndexDatatype-b8f3e09d',
  './Math-dad82b4d',
  './combine-d9581036',
  './RuntimeError-ef395448',
  './WebGLConstants-0b1ce7ba'
], function (
  Transforms,
  Matrix2,
  Matrix3,
  Check,
  ComponentDatatype,
  CylinderGeometryLibrary,
  defaultValue,
  GeometryAttribute,
  GeometryAttributes,
  GeometryOffsetAttribute,
  IndexDatatype,
  Math$1,
  combine,
  RuntimeError,
  WebGLConstants
) {
  'use strict'

  const radiusScratch = new Matrix2.Cartesian2()

  /**
   * A description of the outline of a cylinder.
   *
   * @alias CylinderOutlineGeometry
   * @constructor
   *
   * @param {object} options Object with the following properties:
   * @param {number} options.length The length of the cylinder.
   * @param {number} options.topRadius The radius of the top of the cylinder.
   * @param {number} options.bottomRadius The radius of the bottom of the cylinder.
   * @param {number} [options.slices=128] The number of edges around the perimeter of the cylinder.
   * @param {number} [options.numberOfVerticalLines=16] Number of lines to draw between the top and bottom surfaces of the cylinder.
   *
   * @exception {DeveloperError} options.length must be greater than 0.
   * @exception {DeveloperError} options.topRadius must be greater than 0.
   * @exception {DeveloperError} options.bottomRadius must be greater than 0.
   * @exception {DeveloperError} bottomRadius and topRadius cannot both equal 0.
   * @exception {DeveloperError} options.slices must be greater than or equal to 3.
   *
   * @see CylinderOutlineGeometry.createGeometry
   *
   * @example
   * // create cylinder geometry
   * const cylinder = new Cesium.CylinderOutlineGeometry({
   *     length: 200000,
   *     topRadius: 80000,
   *     bottomRadius: 200000,
   * });
   * const geometry = Cesium.CylinderOutlineGeometry.createGeometry(cylinder);
   */
  function CylinderOutlineGeometry(options) {
    options = defaultValue.defaultValue(options, defaultValue.defaultValue.EMPTY_OBJECT)

    const length = options.length
    const topRadius = options.topRadius
    const bottomRadius = options.bottomRadius
    const slices = defaultValue.defaultValue(options.slices, 128)
    const numberOfVerticalLines = Math.max(defaultValue.defaultValue(options.numberOfVerticalLines, 16), 0)

    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.number('options.positions', length)
    Check.Check.typeOf.number('options.topRadius', topRadius)
    Check.Check.typeOf.number('options.bottomRadius', bottomRadius)
    Check.Check.typeOf.number.greaterThanOrEquals('options.slices', slices, 3)
    if (defaultValue.defined(options.offsetAttribute) && options.offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.TOP) {
      throw new Check.DeveloperError('GeometryOffsetAttribute.TOP is not a supported options.offsetAttribute for this geometry.')
    }
    //>>includeEnd('debug');

    this._length = length
    this._topRadius = topRadius
    this._bottomRadius = bottomRadius
    this._slices = slices
    this._numberOfVerticalLines = numberOfVerticalLines
    this._offsetAttribute = options.offsetAttribute
    this._workerName = 'createCylinderOutlineGeometry'
  }

  /**
   * The number of elements used to pack the object into an array.
   * @type {number}
   */
  CylinderOutlineGeometry.packedLength = 6

  /**
   * Stores the provided instance into the provided array.
   *
   * @param {CylinderOutlineGeometry} value The value to pack.
   * @param {number[]} array The array to pack into.
   * @param {number} [startingIndex=0] The index into the array at which to start packing the elements.
   *
   * @returns {number[]} The array that was packed into
   */
  CylinderOutlineGeometry.pack = function (value, array, startingIndex) {
    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.object('value', value)
    Check.Check.defined('array', array)
    //>>includeEnd('debug');

    startingIndex = defaultValue.defaultValue(startingIndex, 0)

    array[startingIndex++] = value._length
    array[startingIndex++] = value._topRadius
    array[startingIndex++] = value._bottomRadius
    array[startingIndex++] = value._slices
    array[startingIndex++] = value._numberOfVerticalLines
    array[startingIndex] = defaultValue.defaultValue(value._offsetAttribute, -1)

    return array
  }

  const scratchOptions = {
    length: undefined,
    topRadius: undefined,
    bottomRadius: undefined,
    slices: undefined,
    numberOfVerticalLines: undefined,
    offsetAttribute: undefined
  }

  /**
   * Retrieves an instance from a packed array.
   *
   * @param {number[]} array The packed array.
   * @param {number} [startingIndex=0] The starting index of the element to be unpacked.
   * @param {CylinderOutlineGeometry} [result] The object into which to store the result.
   * @returns {CylinderOutlineGeometry} The modified result parameter or a new CylinderOutlineGeometry instance if one was not provided.
   */
  CylinderOutlineGeometry.unpack = function (array, startingIndex, result) {
    //>>includeStart('debug', pragmas.debug);
    Check.Check.defined('array', array)
    //>>includeEnd('debug');

    startingIndex = defaultValue.defaultValue(startingIndex, 0)

    const length = array[startingIndex++]
    const topRadius = array[startingIndex++]
    const bottomRadius = array[startingIndex++]
    const slices = array[startingIndex++]
    const numberOfVerticalLines = array[startingIndex++]
    const offsetAttribute = array[startingIndex]

    if (!defaultValue.defined(result)) {
      scratchOptions.length = length
      scratchOptions.topRadius = topRadius
      scratchOptions.bottomRadius = bottomRadius
      scratchOptions.slices = slices
      scratchOptions.numberOfVerticalLines = numberOfVerticalLines
      scratchOptions.offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute
      return new CylinderOutlineGeometry(scratchOptions)
    }

    result._length = length
    result._topRadius = topRadius
    result._bottomRadius = bottomRadius
    result._slices = slices
    result._numberOfVerticalLines = numberOfVerticalLines
    result._offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute

    return result
  }

  /**
   * Computes the geometric representation of an outline of a cylinder, including its vertices, indices, and a bounding sphere.
   *
   * @param {CylinderOutlineGeometry} cylinderGeometry A description of the cylinder outline.
   * @returns {Geometry|undefined} The computed vertices and indices.
   */
  CylinderOutlineGeometry.createGeometry = function (cylinderGeometry) {
    let length = cylinderGeometry._length
    const topRadius = cylinderGeometry._topRadius
    const bottomRadius = cylinderGeometry._bottomRadius
    const slices = cylinderGeometry._slices
    const numberOfVerticalLines = cylinderGeometry._numberOfVerticalLines

    if (length <= 0 || topRadius < 0 || bottomRadius < 0 || (topRadius === 0 && bottomRadius === 0)) {
      return
    }

    const numVertices = slices * 2

    const positions = CylinderGeometryLibrary.CylinderGeometryLibrary.computePositions(length, topRadius, bottomRadius, slices, false)
    let numIndices = slices * 2
    let numSide
    if (numberOfVerticalLines > 0) {
      const numSideLines = Math.min(numberOfVerticalLines, slices)
      numSide = Math.round(slices / numSideLines)
      numIndices += numSideLines
    }

    const indices = IndexDatatype.IndexDatatype.createTypedArray(numVertices, numIndices * 2)
    let index = 0
    let i
    for (i = 0; i < slices - 1; i++) {
      indices[index++] = i
      indices[index++] = i + 1
      indices[index++] = i + slices
      indices[index++] = i + 1 + slices
    }

    indices[index++] = slices - 1
    indices[index++] = 0
    indices[index++] = slices + slices - 1
    indices[index++] = slices

    if (numberOfVerticalLines > 0) {
      for (i = 0; i < slices; i += numSide) {
        indices[index++] = i
        indices[index++] = i + slices
      }
    }

    const attributes = new GeometryAttributes.GeometryAttributes()
    attributes.position = new GeometryAttribute.GeometryAttribute({
      componentDatatype: ComponentDatatype.ComponentDatatype.DOUBLE,
      componentsPerAttribute: 3,
      values: positions
    })

    radiusScratch.x = length * 0.5
    radiusScratch.y = Math.max(bottomRadius, topRadius)

    const boundingSphere = new Transforms.BoundingSphere(Matrix3.Cartesian3.ZERO, Matrix2.Cartesian2.magnitude(radiusScratch))

    if (defaultValue.defined(cylinderGeometry._offsetAttribute)) {
      length = positions.length
      const offsetValue = cylinderGeometry._offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1
      const applyOffset = new Uint8Array(length / 3).fill(offsetValue)
      attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
        componentDatatype: ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
        componentsPerAttribute: 1,
        values: applyOffset
      })
    }

    return new GeometryAttribute.Geometry({
      attributes: attributes,
      indices: indices,
      primitiveType: GeometryAttribute.PrimitiveType.LINES,
      boundingSphere: boundingSphere,
      offsetAttribute: cylinderGeometry._offsetAttribute
    })
  }

  function createCylinderOutlineGeometry(cylinderGeometry, offset) {
    if (defaultValue.defined(offset)) {
      cylinderGeometry = CylinderOutlineGeometry.unpack(cylinderGeometry, offset)
    }
    return CylinderOutlineGeometry.createGeometry(cylinderGeometry)
  }

  return createCylinderOutlineGeometry
})
